[devdocsgjs/main: 694/1867] Update Dockerfile versions

[Andy Holmes <andyholmes src gnome org>]

commit 7f0feeec8ce4c554c68d447d91bc98f493e722a8
Author: Jasper van Merle <jaspervmerle gmail com>
Date:   Sat Jul 20 21:45:51 2019 +0200

    Update Dockerfile versions

 Dockerfile        | 2 +-
 Dockerfile-alpine | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/Dockerfile b/Dockerfile
index 420bd195..f59628c7 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM ruby:2.6.0
+FROM ruby:2.6.3
 
 ENV LANG=C.UTF-8
 ENV ENABLE_SERVICE_WORKER=true
diff --git a/Dockerfile-alpine b/Dockerfile-alpine
index a5d993f7..b916d2b1 100644
--- a/Dockerfile-alpine
+++ b/Dockerfile-alpine
@@ -1,4 +1,4 @@
-FROM ruby:2.6.0-alpine
+FROM ruby:2.6.3-alpine
 
 ENV LANG=C.UTF-8
 ENV ENABLE_SERVICE_WORKER=true